About Differential Amplifiers

Differential Amplifiers

Differential amplifiers are amplifiers that use two inputs; the difference between them is amplified. Differential amplifiers are used in a variety of applications, such as switching and voltage regulation. They are also used in analog-to-digital conversion circuits and in instrumentation circuits. A differential amplifier is composed of two transistors. The current flowing through one transistor is proportional to the difference between the two input signals. The output voltage is then the difference between the two input signals multiplied by the gain of the amplifier. Differential amplifiers provide several advantages over single-ended amplifiers. They are more immune to common-mode noise, which is noise present on both inputs, and they can provide more linear amplification. Additionally, they can be used to amplify signals with low input impedance. Differential amplifiers can be used in many types of applications, depending on the requirements of the application. For example, they can be used in precision amplifiers, audio amplifiers, servo amplifiers, and stability amplifiers.

Differential Amplifiers

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(Ex. GST)(▲▼)		Enter Qty SeriesNumber of ChannelsGBP - Gain Bandwidth ProductSR - Slew RateOperating Supply CurrentCMRR - Common Mode Rejection RatioOutput Current per ChannelSupply Current per ChannelIb - Input Bias CurrentVos - Input Offset VoltageSupply Voltage - MaxSupply Voltage - MinMinimum Operating TemperatureMaximum Operating TemperatureMounting StylePackage / CasePd - Power DissipationQualificationPackaging
  
                       
LMH6551QMM/NOPB


Differential Amplifiers Differential, High Speed Op Amp 8-VSSOP -40 to 125
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Texas Instruments 1140
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USD 4.1434
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Lmh6551q - Q11 Channel370 Mhz2400 V/Us12.5 mA70 Db65 mA - 10 uA0.5 mV  - 40 C+ 125 CSmd/SmtVSSOP - 8  Reel
INA149AID


Differential Amplifiers High Common Mode Vltg Diff Amp
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Texas Instruments 1122
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USD 6.591
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Ina1491 Channel500 Khz5 V/Us775 uA90 Db   1000 uV36 V4 V- 55 C+ 150 CSmd/SmtSOIC - 8  Tube
THS4130CDGN


Differential Amplifiers Full Diff I/O Low N
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Texas Instruments 1122
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USD 6.7275
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Ths41301 Channel 52 V/Us12.3 mA80 Db To 95 Db85 mA 6 uA2 mV33 V4 V0 C+ 70 CSmd/SmtHTSSOP - 81710 mW Tube
INA148UA2K5


Texas Instruments Differential Amplifiers -200V Common-Mode Voltage
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Texas Instruments 1059
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USD 2.3897
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Ina1481 Channel 1 V/Us600 uA70 Db   5 mV36 V2.7 V- 55 C+ 125 CSmd/SmtSOIC - 8  Reel
LMH6881SQNOPB


Texas Instruments Differential Amplifiers 2.4GHz Programmable Diff Amp
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Texas Instruments 1007
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USD 6.2445
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Lmh68811 Channel2.4 Ghz6 Kv/Us100 mA40 Db    5.25 V4.75 V- 40 C+ 85 CSmd/SmtWQFN - 24  Reel
ADA4941-1YRZ-R7


Differential Amplifiers Single Supply 16 to18 bit Diff ADC Drvr
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Analog Devices 970
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USD 4.8773
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Ada4941 - 11 Channel30 Mhz22 V/Us2.3 mA105 Db25 mA2.3 mA4.5 uA0.8 mV12 V2.7 V- 40 C+ 125 CSmd/SmtSOIC - 8  Reel
LMH6554LE/NOPB


Differential Amplifiers 2.8 GHz Ultra Linear Fully Differential Amplifier 14-UQFN -40 to 125
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Texas Instruments 955
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USD 6.0134
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Lmh65541 Channel  57 mA   10 uA16 mV5.25 V4.7 V- 40 C+ 125 CSmd/SmtLLP  Reel
AD8276BRMZ-R7


Differential Amplifiers Low Pwr Unity-Gain Wide Supply Range
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Analog Devices 885
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USD 3.9447
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Ad82761 Channel 1.1 V/Us0.2 mA86 Db 0.2 mA A t +/- 5 v 200 uV36 V2 V- 40 C+ 125 CSmd/SmtMSOP - 8  Reel
THS4541QRGTRQ1


Differential Amplifiers Automotive High-Speed Differential I/O Amplifier 16-VQFN -40 to 125
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Texas Instruments 882
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USD 4.9749
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Ths4541 - Q11 Channel850 Mhz1500 V/Us10.1 mA85 Db100 mA 10 uA100 uV5.4 V2.7 V- 40 C+ 125 CSmd/SmtVQFN - 16 Aec - Q100Reel
ADA4940-1ARZ-R7


Analog Devices Differential Amplifiers Ultra Low Distortion Low Pwr ADC Dvr
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Analog Devices 869
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USD 3.4557
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Ada4940 - 11 Channel260 Mhz95 V/Us1.18 mA   1.6 uA @ 5 v0.35 mV @ 5 V7 V3 V- 40 C+ 125 CSmd/SmtSOIC - 8  Reel
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